keybladeking keybladeking

31-10-2014
Chemistry

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Using Newton's Law of Inertia, explain the purpose of a headrest in a vehicle.

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Harvey489 Harvey489

31-10-2014

In a forward collision, the driver and everyone else's head is thrusted back (because the energy transfer from one car to another [i.e. the Inertia] ).. the head rest is there to stop the heads from moving to far back that it could break your neck.

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